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PEARSON IIT JEE FOUNDATION-SIMPLE MACHINES-Short Answer Type Questions
- What are the conditions for factors needed for producing a turning eff...
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- Mechanical advantage
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- Give the properties of moment of a couple.
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- Why do we use simple machines?
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- Explain how a couple can produce only rotation.
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- Why do we use simple machines?
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- A sloping plank is used to push goods onto a truck. Its length is 3 ...
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- How can the mechanical advantage of a screw jack be increased?
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- Compare like and unlike parallel forces.
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- Length of a crowbar is 150 cm. Its fulcrum is at a distance of 30 cm...
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- Explain the basis on which levers are classified.
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- Give the advantages of gears.
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- What are the M.A. of the three types of levers?
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